Nasdaq 100 e-minis were up 7 points, or 0.1 percent, on volume of 25,548 contracts.

The dollar hit fresh lows on Wednesday after U.S. Treasury Secretary Steven Mnuchin said at the World Economic Forum that he welcomed the currency’s weakness.

Worries about a protectionist stance have added to the dollar’s woes after U.S. President Donald Trump slapped steep tariffs on imported washing machines and solar panels on Monday.

The dollar’s latest drop, which follows prolonged weakness in 2017, is expected to further boost profits at big U.S. companies.

Earnings growth for S&P 500 companies for the fourth-quarter is expected at 12.4 percent, according to Thomson Reuters data through Tuesday morning.

Of the 68 companies in the benchmark index that have posted results, 76.5 percent have topped Wall Street expectations.

Among decliners, Qualcomm slipped 1.4 percent after European anititrust regulators slapped a $1.23 billion charge on the chipmaker for paying Apple to use only Qualcomm chips.

United Continental tumbled 7 percent after the airline said it plans to increase capacity, likely threatening its profit margin. American Airlines fell 4.4 percent while Delta Air Lines dropped 3.7 percent.

Data on existing home sales for December is expected at 10:00 a.m. ET. The data is likely to show home sales fell to 5.7 million units from 5.81 million units in November.